March 13 (UPI) -- Well-known sportswriter, highly regarded commentator, and best-selling book author John Feinstein has died at the age of 68. Feinstein, who wrote 48 books , died Thursday at his brother's home in McLean, Va., the Washington Post reported. Advertisement Feinstein cut his teeth as a police reporter for the Washington Post in 1977 but soon set himself apart on the sports beat. While he developed into a consummate and trusted journalist, former colleagues remember him as a highly